package com.base.po.pdd_sdk;

import java.security.MessageDigest;

public class PddMD5Request {

    private static final char[] HEX_DIGITS = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D',
            'E', 'F'};

	private static String toHexString(byte[] b) {
		StringBuilder sb = new StringBuilder(b.length * 2);
		for (int i = 0; i < b.length; i++) {
			sb.append(HEX_DIGITS[(b[i] & 0xf0) >>> 4]);
			sb.append(HEX_DIGITS[b[i] & 0x0f]);
		}
		return sb.toString();
	}

	public static String Bit32(String SourceString) throws Exception {
		MessageDigest digest = MessageDigest.getInstance("MD5");
		digest.update(SourceString.getBytes());
        byte[] messageDigest = digest.digest();
		return toHexString(messageDigest);
	}
}
